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Add EQUs with the version numbers of RGBDS

Document new EQUs.

Add missing EQUs to list of keywords in documentation.

Signed-off-by: Antonio Niño Díaz <[email protected]>

--- a/src/asm/rgbasm.5

+++ b/src/asm/rgbasm.5

@@ -549,6 +549,9 @@

 .It Ic EQU Ta Ic __UTC_HOUR__ Ta Ta Current hour, 0-23

 .It Ic EQU Ta Ic __UTC_MINUTE__ Ta Ta Current minute, 0-59

 .It Ic EQU Ta Ic __UTC_SECOND__ Ta Ta Current second, 0-59

+.It Ic EQU Ta Ic __RGBDS_MAJOR__ Ta Ta Major version number of RGBDS.

+.It Ic EQU Ta Ic __RGBDS_MINOR__ Ta Ta Minor version number of RGBDS.

+.It Ic EQU Ta Ic __RGBDS_PATCH__ Ta Ta Patch version number of RGBDS.

 .El

 .Pp

 .Sh DEFINING DATA

@@ -956,6 +959,15 @@

 .It Sx __ISO_8601_UTC__

 .It Sx __LINE__

 .It Sx __TIME__

+.It Sx __RGBDS_MAJOR__

+.It Sx __RGBDS_MINOR__

+.It Sx __RGBDS_PATCH__

+.It Sx __UTC_YEAR__

+.It Sx __UTC_MONTH__

+.It Sx __UTC_DAY__

+.It Sx __UTC_HOUR__

+.It Sx __UTC_MINUTE__

+.It Sx __UTC_SECOND__

 .It Sx _NARG

 .It Sx _PI

 .It Sx _RS

--- a/src/asm/symbol.c

+++ b/src/asm/symbol.c

@@ -13,6 +13,7 @@

 #include "asm/mymath.h"

 #include "asm/output.h"

 #include "extern/err.h"

+#include "extern/version.h"

 struct sSymbol *tHashedSymbols[HASHSIZE];

 struct sSymbol *pScope = NULL;

@@ -848,6 +849,9 @@

 	sym_AddString("__UTC_HOUR__", SavedHOUR);

 	sym_AddString("__UTC_MINUTE__", SavedMINUTE);

 	sym_AddString("__UTC_SECOND__", SavedSECOND);

+	sym_AddEqu("__RGBDS_MAJOR__", PACKAGE_VERSION_MAJOR);

+	sym_AddEqu("__RGBDS_MINOR__", PACKAGE_VERSION_MINOR);

+	sym_AddEqu("__RGBDS_PATCH__", PACKAGE_VERSION_PATCH);

 	sym_AddSet("_RS", 0);

 	sym_AddEqu("_NARG", 0);